Quality of Life will be assessed at baseline and at the 6 and 12 months visits, using the EORTC Quality of Life Questionnaire version 3.0 (EORTC QLQ-C30) and module QLQ-OES18 to assess specific relevant aspects of quality of life related to oesophageal disease. General quality of life will also be assessed using EQ-5D. Additional data on healthcare utilisation will be collected at baseline, 6 and 12 months using a questionnaire we have developed which patients will be asked to complete at these scheduled visits for endoscopy.